ChangeLog v1.3.9 (20250215)

This is a maintenance release of Freebayes:

• again fixes for Debian and Ubuntu
• github actions should clear with newer vcflib
• try cleaner meson build on Debian
• A recent version of vcflib installs include files in include/vcflib. freebayes breaks with older vcflib.
• Removed unused GenotypePriors.cpp, alleles.cpp, dummy.cpp